114 lines
3 KiB
C
114 lines
3 KiB
C
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/* $NetBSD: t_tls_dlopen.c,v 1.3 2012/01/17 20:34:57 joerg Exp $ */
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/*-
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* Copyright (c) 2011 The NetBSD Foundation, Inc.
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* All rights reserved.
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*
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* This code is derived from software contributed to The NetBSD Foundation
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* by Joerg Sonnenberger.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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*
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in
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* the documentation and/or other materials provided with the
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* distribution.
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*
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* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
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* ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
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* LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
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* FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE
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* COPYRIGHT HOLDERS OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT,
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* INCIDENTAL, SPECIAL, EXEMPLARY OR CONSEQUENTIAL DAMAGES (INCLUDING,
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* BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
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* LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED
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* AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
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* OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT
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* OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
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* SUCH DAMAGE.
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*/
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#include <sys/cdefs.h>
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__RCSID("$NetBSD: t_tls_dlopen.c,v 1.3 2012/01/17 20:34:57 joerg Exp $");
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#include <atf-c.h>
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#include <dlfcn.h>
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#include <pthread.h>
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#include <unistd.h>
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#include <sys/tls.h>
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#ifdef __HAVE_NO___THREAD
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#define __thread
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#endif
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ATF_TC(t_tls_dlopen);
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ATF_TC_HEAD(t_tls_dlopen, tc)
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{
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atf_tc_set_md_var(tc, "descr",
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"Test (un)initialized TLS variables and dlopen");
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}
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void (*testf_helper)(int, int);
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__thread int var1 = 1;
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__thread int var2;
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__thread int *var3 = &optind;
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int var4_helper;
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__thread int *var4 = &var4_helper;
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static void *
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testf(void *dummy)
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{
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ATF_CHECK_EQ(var1, 1);
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ATF_CHECK_EQ(var2, 0);
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ATF_CHECK_EQ(var3, &optind);
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ATF_CHECK_EQ(var4, &var4_helper);
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testf_helper(2, 2);
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ATF_CHECK_EQ(var1, 2);
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ATF_CHECK_EQ(var2, 2);
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testf_helper(3, 3);
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ATF_CHECK_EQ(var1, 3);
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ATF_CHECK_EQ(var2, 3);
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ATF_CHECK_EQ(var3, &optind);
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return NULL;
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}
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ATF_TC_BODY(t_tls_dlopen, tc)
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{
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void *handle;
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pthread_t t;
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#ifdef __HAVE_NO___THREAD
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atf_tc_skip("no TLS support on this platform");
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#endif
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handle = dlopen("h_tls_dlopen.so", RTLD_NOW | RTLD_LOCAL);
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ATF_REQUIRE(handle != NULL);
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testf_helper = dlsym(handle, "testf_dso_helper");
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ATF_REQUIRE(testf_helper != NULL);
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testf(NULL);
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pthread_create(&t, 0, testf, 0);
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pthread_join(t, NULL);
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pthread_create(&t, 0, testf, 0);
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pthread_join(t, NULL);
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dlclose(handle);
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}
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ATF_TP_ADD_TCS(tp)
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{
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ATF_TP_ADD_TC(tp, t_tls_dlopen);
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return atf_no_error();
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}
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